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浏览/检索结果: 共20条，第1-10条 帮助

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Metallogenic controls on the granite-related W-Sn deposits in the Hunan-Jiangxi region, China: evidence from zircon trace element geochemistry 期刊论文  OAI收割
Acta Geochimica, Acta Geochimica, 2019, 2019, 卷号: 38, 38, 期号: 4, 页码: 530-540, 530-540
作者:  Yuannan Feng;  Tingguang Lan;  Lichuan Pan;  Tingting Liu;  Shaohua Dong
  |  收藏  |  浏览/下载：25/0  |  提交时间：2020/05/06
Metallogenic controls on the granite-related W–Sn deposits in the Hunan–Jiangxi region, China: evidence from zircon trace element geochemistry 期刊论文  OAI收割
Acta Geochim, Acta Geochim, 2019, 2019, 页码: 1-11, 1-11
作者:  Yuannan Feng;  Tingguang Lan;  Lichuan Pan;  Tingting Liu;  Shaohua Dong
  |  收藏  |  浏览/下载：12/0  |  提交时间：2020/10/19
Geochemical contrasts between Late Triassic ore-bearing and barren intrusions in the Weibao Cu–Pb–Zn deposit, East Kunlun Mountains, NW China: constraints from accessory minerals (zircon and apatite) 期刊论文  OAI收割
Mineralium Deposita, Mineralium Deposita, 2018, 2018, 卷号: 53, 53, 页码: 855–870, 855–870
作者:  Shihua Zhong;  Chengyou Feng;  Reimar Seltmann;  Daxin Li;  Zhihui Dai
  |  收藏  |  浏览/下载：29/0  |  提交时间：2019/12/19
SELENE及嫦娥三号VLBI观测数据的分析及应用 学位论文  OAI收割
上海: 中国科学院研究生院, 2017
作者:  贺庆宝
  |  收藏  |  浏览/下载：89/0  |  提交时间：2018/09/18
Spectroscopic properties of Ce3 +/Tb3 +co-doped high silica scintillating glass 期刊论文  OAI收割
Journal of Non-Crystalline Solids, 2017, 卷号: 473, 页码: 54-58
作者:  Chen, Qingmin;  Ding, Jingxin;  Yao, Guanpeng;  Lin, Hai;  Li, Chun
  |  收藏  |  浏览/下载：19/0  |  提交时间：2018/12/29
A bridge role of Tb3 +in broadband excited Sr3Y(PO4)3:Ce3 +, Tb3 +, Sm3 +phosphors with superior thermal stability 期刊论文  OAI收割
Materials and Design, 2017, 卷号: 118, 页码: 245-255
作者:  Leng, Zhihua;  Li, Liping;  Che, Xiangli;  Li, Guangshe
  |  收藏  |  浏览/下载：17/0  |  提交时间：2018/12/29
Optical and scintillation properties of Ce-doped (Gd2Y1)Ga2.7Al2.O-3(12) single crystal grown by Czochralski method 期刊论文  OAI收割
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2016, 卷号: 820, 页码: 8-13
作者:  Wang, Chao;  Wu, Yuntao;  Ding, Dongzhou;  Li, Huanying;  Chen, Xiaofeng
收藏  |  浏览/下载：37/0  |  提交时间：2017/02/27
Redox states and genesis of magmas associated with intra-continental porphyry Cu–Au mineralization within the Jinshajiang–Red River alkaline igneous belt, SW China 期刊论文  OAI收割
Ore Geology Reviews, Ore Geology Reviews, 2016, 2016, 卷号: 73, 73, 期号: Part 2, 页码: 330-345, 330-345
作者:  Leiluo Xu;  Xianwu Bi;  Ruizhong Hu;  Youqiang Qi;  Yongyong Tang
  |  收藏  |  浏览/下载：23/0  |  提交时间：2019/09/04
稀土离子掺杂铽镓石榴石晶体的生长及性能研究 学位论文  OAI收割
博士: 中国科学院上海光学精密机械研究所, 2015
作者:  陈喆
收藏  |  浏览/下载：202/0  |  提交时间：2016/11/28
Energy transfer in Y3Al5O12:Ce 3, Pr3+ and CaMoO4:Sm3, Eu 3 phosphors (EI CONFERENCE) 会议论文  OAI收割
作者:  Wang L.;  Wang X.-J.;  Zhang X.;  Zhang X.;  Zhang X.
收藏  |  浏览/下载：24/0  |  提交时间：2013/03/25
Non-radiative energy transfers (ET) from Ce3 to Pr3+ in Y3Al5O12:Ce3  Pr3+ and from Sm3 to Eu3 in CaMoO4:Sm3  Eu3 are studied based on photoluminescence spectroscopy and fluorescence decay patterns. The result indicates an electric dipoledipole interaction that governs ET in the LED phosphors. For Ce3 concentration of 0.01 in YAG:Ce3  Pr3+  the rate constant and critical distance are evaluated to be 4.510-36 cm 6 s-1 and 0.81 nm  respectively. An increase in the red emission line of Pr3+ relative to the yellow emission band of Ce 3  on increasing Ce3 concentration is observed. This behavior is attributed to the increase of spectral overlap integrals between Ce3 emission and Pr3+ excitation due to the fact that the yellow band shifts to the red spectral side with increasing Ce3 concentration. In CaMoO4:Sm3  Eu3  Sm 3Eu3 transfer occurs from 4G5/2 of Sm3 to 5D0 of Eu3. The rate constant of 8.510-40 cm6 s-1 and the critical transfer distance of 0.89 nm are evaluated. 2010 Elsevier B.V. All rights reserved.